... colors 4.best price&good quality 5.OEM,ODM headphones KT-70 stereo headset OEM&ODM provide best, timely service competitive ... price with high qualityexquisite package Specifications:1) Frequency Response: 20Hz-20 kHz2) Speaker Impedance: 32Ω 3) Speaker Diameter:Φ40mm4) Max. Power ... .5mm Stereo8)Weight:156g9)Color:blue,white,black,pink,green KT-70 headphones